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You can't specify target table for update in FROM clause
...iride From a relational algebra point of view, T and (SELECT * FROM T) are completely equivalent. They are the same relation. Therefore this is an arbitrary, inane restriction. More specifically, it's a workaround to coerce MySQL into doing something that it clearly can do, but for some reason it ca...
Ways to synchronize interface and implementation comments in C# [closed]
Are there automatic ways to sync comments between an interface and its implementation?
I'm currently documenting them both and wouldn't like to manually keep them in sync.
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iPhone Debugging: How to resolve 'failed to get the task for process'?
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How to delete history of last 10 commands in shell?
Commands follows
18 Answers
18
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Node.js throws “btoa is not defined” error
...oa-atob' module does not export a programmatic interface, it only provides command line utilities.
If you need to convert to Base64 you could do so using Buffer:
console.log(Buffer.from('Hello World!').toString('base64'));
Reverse (assuming the content you're decoding is a utf8 string):
console...
Calculate distance between 2 GPS coordinates
... If anyone, specifically those of you who don't look for end of line comments, is staring at this formula and looking for a unit of distance, the unit is km. :)
– Dylan Knowles
Sep 27 '13 at 18:01
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What is the most elegant way to remove a path from the $PATH variable in Bash?
...ATH} | awk -v RS=: -v ORS=: '/SDE/ {next} {print}'`
Edit: It response to comments below:
$ export a="/a/b/c/d/e:/a/b/c/d/g/k/i:/a/b/c/d/f:/a/b/c/g:/a/b/c/d/g/i"
$ echo ${a}
/a/b/c/d/e:/a/b/c/d/f:/a/b/c/g:/a/b/c/d/g/i
## Remove multiple (any directory with a: all of them)
$ echo ${a} | awk -v RS=...
Where can I set environment variables that crontab will use?
...ave 'cron' run a shell script that sets the environment before running the command.
Always.
# @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $
# Crontab file for Home Directory for Jonathan Leffler (JL)
#-----------------------------------------------------------------------------
#Mi...
Is there a list of Pytz Timezones?
...idjan',
'Africa/Accra',
'Africa/Addis_Ababa',
...]
There is also pytz.common_timezones:
In [45]: len(pytz.common_timezones)
Out[45]: 403
In [46]: len(pytz.all_timezones)
Out[46]: 563
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Is it possible to make anonymous inner classes in Java static?
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No, you can't, and no, the compiler can't figure it out. This is why FindBugs always suggests changing anonymous inner classes to named static nested classes if they don't use their implicit this reference.
Edit: Tom Hawtin - tackline says that if the...